style.css

@font-face {
  font-family: 'Share Tech Mono';
  font-style: normal;
  font-weight: 400;
  src: local('Share Tech Mono'), local('ShareTechMono-Regular'), url(http://themes.googleusercontent.com/static/fonts/sharetechmono/v1/RQxK-3RA0Lnf3gnnnNrAsUYuTAAIFFn5GTWtryCmBQ4.woff) format('woff');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(http://themes.googleusercontent.com/static/fonts/lato/v6/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(http://themes.googleusercontent.com/static/fonts/lato/v6/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
}
@font-face {
  font-family: 'FontAwesome';
  src: url('fontawesome-webfont.eot?v=3.0.1');
  src: url('fontawesome-webfont.eot?#iefix&v=3.0.1') format('embedded-opentype'),
    url('fontawesome-webfont.woff?v=3.0.1') format('woff'),
    url('fontawesome-webfont.ttf?v=3.0.1') format('truetype');
  font-weight: normal;
  font-style: normal;
}
/*::-moz-selection {
  background: none;
}
::selection {
  background: none;
}*/
/* General */
html, body {
  height: 100%;
  max-height: 100%;
  margin: 0;
  color: #222;
  background: #ddd;
  font: 1em 'Lato';
}
a {
  text-decoration: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
th {
  font-weight: normal;
}

/* Header */
h1 {
  font-size: 2rem;
  margin: 0;
  display: inline;
  position: relative;
  top: 0.2rem;
}
nav {
  background: #eee;
  padding: 0 0 0 1rem;
}
.button,
nav > a {
  font-size: 1.25rem;
  margin: 0.5rem 0 0.5rem 1rem;
  display: inline-block;
  color: #f8f8f8;
  background: #4da6ee;
  cursor: pointer;
  border-radius: 5px;
  padding: 0.3rem 0.6rem 0.4rem;
}
.button {
  margin: 0;
}
[class^="icon-"],
[class*=" icon-"] {
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  text-decoration: inherit;
  margin: 0 0.4em 0 0;
  -webkit-font-smoothing: antialiased;
}
.icon-cog:before{content:'\f021'}

/* Content */
#content {
  position: relative;
  display: table;
  margin: auto;
  padding: 1rem;
}

/* Canvases */
canvas {
  border: 2px solid #999;
  vertical-align: top;
  float: left;
}
#hold {
}
#a {
  /* TODO adjust in js */
  position: relative;
  overflow: hidden;
  float: left;
  margin: 0 0.5rem 0 0;
}
#b {
  /* TODO adjust in js */
  position: relative;
  overflow: hidden;
  float: left;
}
#c {
  /* TODO adjust in js */
  position: relative;
  overflow: hidden;
  float: left;
  margin: 0 0 0 0.5rem;
}
  #bg,
  #bgPreview,
  #bgHold {
    position: absolute;
    z-index: 1;
  }
  #hold,
  #preview,
  #stack {
    position: absolute;
    z-index: 1;
  }
  #active {
    position: absolute;
    z-index: 2;
  }
  #msg {
    font-size: 4rem;
    color: #000;
    text-shadow:
     -1px -1px 0 #fff,  
      1px -1px 0 #fff,
     -1px  1px 0 #fff,
      1px  1px 0 #fff;
    position: absolute;
    text-align: center;
    width: 100%;
    line-height: 642px;
    margin: 0;
    z-index: 3;
  }
#progress {
  background: none;
  border-left: none;
}
#preview {
}

/* Stats */
#stats h2 {
  margin: 0 0 0.5em;
}
#stats {
  font-size: 1.5em;
  margin: 0 1em;
  float: left;
  width: 8em;
}
#stats tr {
  display: block;
}
#stats th {
  color: #999;
  text-shadow: 0 -1px 0 rgba(0,0,0,0.5),
               0 1px 0 rgba(255,255,255,0.5);
}
#stats td {
  font-size: 1.85em;
  color: #102836;
  font-family:'Share Tech Mono', monospace;
  display: block;
  position: relative;
}

#lines {
  font-size: 4rem;
  line-height: 1em;
  margin: 0;
  position: absolute;
  top: 50%;
  left: 1rem;
}

/* Menus */
#menu {
  background: #ddd;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 99;
}
#controls th {
  font-weight: normal;
  text-align: left;
}
#controls td{
  cursor: pointer;
  display: block;
  margin: 5px 0 0 4em;
  text-align: center;
  width: 6em;
  line-height: 2em;
  background: #eee;
  border-radius: 5px;
}
#controls td:hover {
  background: #eaeaea;
}

#controls td:active {
  background: #e7e7e7;
}


/* Settings */
.left,
.right {
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  cursor: pointer;
  -webkit-font-smoothing: antialiased;
  -webkit-transition:all .1s ease-out;
  transition:all .1s ease-out
}
.left:hover,
.right:hover {
  color: #4da6ee;
}
.left:before,
.right:before {
  text-decoration: inherit;
  display: inline-block;
}
.left:before  { content: "\f022"; }
.right:before { content: "\f023"; }
#settings b {
  display: inline-block;
  width: 7em;
}
#settings span {
  text-align: center;
  display: inline-block;
  width: 5em;
  margin: 0.5em 0;
}


/* Dark theme */
#dark,
#dark body {
  color: #ddd;
  background: #222;
}
#dark nav {
  background: #111;
}
#dark .button,
#dark nav > a {
  color: #f8f8f8;
  background: #4da6ee;
}
#dark canvas {
  border: 2px solid #333;
}
  #dark #active {
    background: none;
  }
  #dark #msg {
    color: #fff;
    text-shadow:
     -1px -1px 0 #000,  
      1px -1px 0 #000,
     -1px  1px 0 #000,
      1px  1px 0 #000;
  }
#dark #stats th {
  color: #aaa;
  text-shadow: 0 -1px 0 rgba(0,0,0,0.5),
               0 1px 0 rgba(255,255,255,0.5);
}
#dark #stats td {
  color: #eee;
}
#dark #menu {
  background: #222;
}
#dark input {
  background: #111;
}
#dark #controls td{
  background: #111;
}
#dark #controls td:hover {
  background: #191919;
}

#dark #controls td:active {
  background: #1c1c1c;
}